Automobile battery aluminum wire welding terminal
By designing automobile battery welding terminals suitable for aluminum wires, including welding concave hole areas and arc crimp plates, the problem of unstable connection of aluminum wires is solved, achieving better welding effect and the advantages of reducing weight and cost.
Patent Information
- Application Number
- CN202420208751.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-29
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-01-29
AI Technical Summary
The adaptability problem between the existing connection terminals and aluminum wires cannot fully meet the requirements for aluminum wire connection, and there are defects of unstable connections.
A kind of welding terminal for aluminum wire of automobile batteries is designed, including a mounting part, a welding part and a crimping part. The welding part is equipped with a welding recessed hole area, which is suitable for friction welding. The crimping part has an arc-shaped opening crimping plate, and the mating limit is The position plate and bevel design ensures a stable connection of the aluminum wires.
The stable connection of aluminum conductors is achieved and the welding effect is improved. Compared with the use of cylinder conductors, it has the advantages of reducing weight and cost reduction of the vehicle body.
Smart Images
Figure CN222440862U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of automobile wiring harnesses, and in particular relates to an automobile battery aluminum wire welding terminal. Background Art
[0002] To achieve the goal of lightweighting, automobiles usually optimize their body weight and make weight-reduction improvements to automobile parts. For the wiring harnesses inside the car, replacing copper wires with aluminum wires has a significant weight-reduction effect. However, the technical difficulty of this weight-reduction method lies in the compatibility problem between the existing connection terminals and aluminum wires, which cannot fully meet the requirements of aluminum wire connections and have the defect of unstable connections.
[0003] The utility model designs an automobile battery aluminum wire welding terminal to solve the above problems. Utility Model Content
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A welding terminal for an aluminum wire of an automobile battery comprises a welding terminal, which is divided into a mounting portion, a welding portion and a crimping portion from top to bottom, wherein a through hole is arranged at the mounting portion, a welding recessed hole area is arranged at the welding portion, and an arc-shaped crimping plate with an opening on the upper side is arranged at the crimping portion.
[0006] As a preferred solution, two straight grooves are arranged at the welding portion and located at the front side of the welding recessed hole area, and the two straight grooves are arranged parallel to each other.
[0007] As a preferred solution, a first limiting plate and a second limiting plate are respectively provided at the two open ends of the crimping plate, a first L-shaped groove is provided on the front side of the first limiting plate, and a second L-shaped groove is provided on the rear side of the second limiting plate.
[0008] As a preferred solution, the tops of the first limiting plate and the second limiting plate are both provided with an inwardly inclined angle.
[0009] As a preferred solution, the width of the crimping portion is smaller than the width of the welding portion, and the left and right end surfaces of the welding portion are connected to the left and right end surfaces of the crimping portion by circular arc transition.
[0010] As a preferred solution, the junction of the mounting portion and the welding portion is bent upward and the angle between the junction and the plane where the welding portion is located is less than or equal to 90°.
[0011] As a preferred solution, the crimping portion and the welding portion are in the same horizontal plane.
[0012] Compared with the existing technology, the advantages of the utility model are:
[0013] 1. The welding terminal designed by the utility model is suitable for aluminum wires, the mounting portion is used for fixed connection with the automobile battery, the welding portion is used for welding with the head of the aluminum wire, and the crimping portion is used for fixing the aluminum wire, wherein the welding recessed hole area at the welding portion is convenient for welding the aluminum wire by friction welding, and has a better welding effect. The three different parts cooperate with each other so that the welding terminal can stably realize the connection function of the aluminum wire harness in the battery pack, and compared with the use of barrel wires, it has the advantages of reducing the weight of the vehicle body and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the utility model.
[0015] Figure 2 It is a rear schematic diagram of the utility model.
[0016] The reference numbers in the figure are as follows: 1. welding terminal; 2. mounting portion; 3. welding portion; 4. welding portion; 5. through hole; 6. welding recessed hole area; 7. crimping plate; 8. straight groove; 9. first limiting plate; 10. second limiting plate; 11. first groove; 12. second groove; 13. bevel. DETAILED DESCRIPTION
[0017] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments or drawings are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0018] A kind of automobile battery aluminum wire welding terminal, such as Figure 1 and Figure 2 As shown, it includes a welding terminal 1, which is divided into a mounting portion 2, a welding portion 3 and a crimping portion 4 from top to bottom, a through hole 5 is provided at the mounting portion 2, a welding portion 3 is provided at the welding portion 3, and a crimping plate 7 with an opening on the upper side and an arc shape is provided at the crimping portion 4. The mounting portion 2 of the welding terminal 1 is fixed on the car battery, the aluminum wire head is welded to the welding recessed hole area 6 by friction welding, and the position where the aluminum wire head is wrapped by the insulation skin is crimped in the crimping plate 7.
[0019] The welding portion 3 is provided with two straight grooves 8 located in front of the welding recessed hole area 6 . The two straight grooves 8 are arranged parallel to each other. The straight grooves 8 serve as markings, making it convenient for personnel to quickly and accurately position the aluminum wire in the welding portion 3 .
[0020] The first limiting plate 9 and the second limiting plate 10 are respectively arranged at the two open ends of the crimping plate 7. The front side of the first limiting plate 9 is provided with a first L-shaped groove 11, and the rear side of the second limiting plate 10 is provided with a second L-shaped groove 12. The first limiting plate 9 corresponds to the second groove 12 on the left and right, and the second limiting plate 10 corresponds to the first groove 11 on the left and right. After crimping the aluminum wire, the two deformed first limiting plates 9 and the second limiting plates 10 are wrapped around the aluminum wire in a front-to-back position. The tops of the first limiting plates 9 and the second limiting plates 10 are both provided with an inwardly inclined bevel 13, and the bevel 13 facilitates the crimping operation.
[0021] The intersection of the mounting portion 2 and the welding portion 3 is bent upward and the angle between the mounting portion 2 and the plane where the welding portion 3 is located is less than or equal to 90°, and the crimping portion 4 and the welding portion 3 are in the same horizontal plane.
[0022] The width of the crimping portion 4 is smaller than that of the welding portion 3 , and the left and right end surfaces of the welding portion 3 are connected to the left and right end surfaces of the crimping portion 4 by arc transition.
[0023] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.
Claims
1. An automotive battery aluminum wire welding terminal, characterized in that: The invention comprises a welding terminal (1), wherein the welding terminal (1) is divided into a mounting portion (2), a welding portion (3) and a crimping portion (4) from the top to the bottom, the mounting portion (2) being provided with a through hole (5), the welding portion (3) being provided with a welding recessed hole area (6), and the crimping portion (4) being provided with a crimping plate (7) having an opening on the upper side and being in an arc shape.
2. The automotive battery aluminum wire welding terminal according to claim 1, characterized in that: The welding portion (3) is provided with two straight grooves (8) located in front of the welding recessed hole area (6), and the two straight grooves (8) are arranged parallel to each other.
3. The automotive battery aluminum wire welding terminal according to claim 1, characterized in that: A first limiting plate (9) and a second limiting plate (10) extending upward are respectively arranged at the two open ends of the crimping plate (7); a first L-shaped groove (11) is arranged at the front side of the first limiting plate (9); and a second L-shaped groove (12) is arranged at the rear side of the second limiting plate (10).
4. The automotive battery aluminum wire welding terminal according to claim 3, characterized in that: The tops of the first limiting plate (9) and the second limiting plate (10) are both provided with an inwardly inclined angle (13).
5. The automotive battery aluminum wire welding terminal according to claim 1, characterized in that: The width of the crimping portion (4) is smaller than the width of the welding portion (3), and the left and right end surfaces of the welding portion (3) are connected to the left and right end surfaces of the crimping portion (4) through arc transition.
6. The automotive battery aluminum wire welding terminal according to claim 1, characterized in that: The intersection of the mounting portion (2) and the welding portion (3) is bent upwards, and the angle between the intersection and the plane where the welding portion (3) is located is less than or equal to 90°.
7. The automotive battery aluminum wire welding terminal according to claim 6, characterized in that: The crimping portion (4) and the welding portion (3) are located on the same horizontal plane.